exhibits a divergence at steady state as \(M \sim L^{\gamma /\nu }\) . Here, \(\gamma =7/4\)  and \(\nu =1\)  are the exact Ising critical exponents in two dimensions [1]} and \(\gamma \simeq 1.23\)  and \(\nu \simeq 0.63\)  are the approximate values in three dimensions [2]}.
